The Texas Power Outage Crisis and the Importance of Thoughtful Mitigation

The recent power grid failures in Texas have certainly made a lot of headlines in both the news and have crowded a lot of social media feeds as well.  A system failure of this magnitude has the unique ability to inspire the insertion of political bias and vitriol on both sides of the isle, and […]

WestPower Energy Ongoing Support

Location USA Project Description Long term technical expertise and review was needed to support the development of several power plants. Outcome PRE provided open-ended technical support for the projects as they developed. The work involved fault analysis, relaying comments, technical feasibility assessments, and in some cases relay settings. The projects included Plains End generation (Relay […]

Transmission Relay Specification Standard Development

Location Farmington, NM Project Description A utility needed a standard developed for their protective relaying that brought about greater consistency in all facets of their organization. Outcome Working with our partner Brooks Consulting, LLC, a standard was developed using the MasterSpec numbering system.

NERC Compliance Relay Review

Location USA Project Description In order to ensure NERC compliance, an experienced engineer was required to review relay settings for 20 generation sites and continually support the client maintaining compliance whenever settings were updated. Outcome PRE has been the lead engineer for continued support of relay settings review for about 20 generation sites against NERC […]

San Luis Valley Relay Upgrade

Location San Luis Valley, CO Project Description A new 115kV substation with two new transmission lines and one generator interconnect required the development of new relay settings for the lines and all the associated equipment in the substation. Outcome PRE developed the settings for the new lines and generator interconnect, as well as the relaying […]

Niwot-Gunbarrel Upgrade Relay Settings

Location Boulder, CO Project Description New transmission lines, as well as a new transformer and distribution switchgear were being installed which necessitated the development of several new relay settings. Outcome PRE developed the relay settings for a new 230kV underground line, a new 230/13.8kV transformer, a new 13kV switchgear, as well as the replaced of […]

South Substation Emergency Transformer Replacement

Location Denver, CO Project Description Due to a transformer failing, an emergency installation of a spare transformer was needed to be done within an accelerated timeline. Outcome Working closely with the construction crews and the utility, PRE provided all the design specifications necessary, and on-site field support to help get the spare transformer installed and […]

Rosedale Substation Upgrades

Location Greeley, CO Project Description This was a two stage project in which large scale upgrades where necessary for the substation, including rebuilding the existing substation, terminating new transmission lines, and adding a new transformer and switchgear. Outcome This was a two stage project with PRE as the main engineering consultant. In 2014 -2017 the […]

Greeley Substation Upgrades

Location Greeley, CO Project Description In order to support system upgrades, a rebuild of a large existing substation, which included three transmission lines, two distribution banks, two transformers, one 44kV transmission line, and two 115kV capacitor banks was necessary. Outcome As the lead engineering consultant, PRE designed and supported the rebuild. In addition, the existing […]

Leetsdale Substation DFR Installation

Location Denver, CO Project Description The client needed to install two DFRs for their 115kV and 230kV transmission assets. Outcome PRE provided the design, preliminary settings, and procurement support to help move this project forward at an accelerated pace as directed by the client, and the DFRs were fully in service within a year from […]